Home / 18,025.79-27,038.75-5,545.73

Finding the Fourth Proportional to 18,025.79, 27,038.75 and 5,545.73

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Solution

The fourth proportional to 18,025.79, 27,038.75 and 5,545.73 is: 8,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.79 : 27,038.75 = 5,545.73 : x
  2. Step 2: Convert to fraction form
    18,025.79/27,038.75 = 5,545.73/x
  3. Step 3: Cross multiply
    18,025.79x = 27,038.75 × 5,545.73
  4. Step 4: Simplify right side
    18,025.79x = 149,949,579.31
  5. Step 5: Solve for x
    x = 149,949,579.31/18,025.79
  6. Step 6: Final answer
    x = 8,318.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.